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Move camera SHM frame creation to main process

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This commit is contained in:
Nicolas Mowen 2024-11-17 08:32:38 -07:00
parent 45e9030358
commit 0f3c87ea4d
2 changed files with 7 additions and 5 deletions
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8
frigate/app.py
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@ -68,7 +68,7 @@ from frigate.stats.util import stats_init
from frigate.storage import StorageMaintainer
from frigate.timeline import TimelineProcessor
from frigate.util.builtin import empty_and_close_queue
from frigate.util.image import UntrackedSharedMemory
from frigate.util.image import SharedMemoryFrameManager, UntrackedSharedMemory
from frigate.util.object import get_camera_regions_grid
from frigate.version import VERSION
from frigate.video import capture_camera, track_camera
@ -426,12 +426,18 @@ class FrigateApp:
def start_camera_capture_processes(self) -> None:
shm_frame_count = self.shm_frame_count()
frame_manager = SharedMemoryFrameManager()
for name, config in self.config.cameras.items():
if not self.config.cameras[name].enabled:
logger.info(f"Capture process not started for disabled camera {name}")
continue
# pre-create shms
for i in range(shm_frame_count):
frame_size = config.frame_shape_yuv[0] * config.frame_shape_yuv[1]
frame_manager.create(f"{config.name}{i}", frame_size)
capture_process = util.Process(
target=capture_camera,
name=f"camera_capture:{name}",

4
frigate/video.py
View File

@ -108,10 +108,6 @@ def capture_frames(
skipped_eps = EventsPerSecond()
skipped_eps.start()
# pre-create shms
for i in range(shm_frame_count):
frame_manager.create(f"{config.name}{i}", frame_size)
frame_index = 0
while True: